Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and LANDSAT-9 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/1/2023
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (LANDSAT-9) Time (LANDSAT-9) Lat,Lon (LANDSAT-9) SZA (LANDSAT-9 ) Distance(km) Time Diff (sec)
1 01/01/2023 23:14:30 -70.09, 7.64 87.01 01/01/2023 23:15:21 -70.09, 7.69 87.01 1.97 51
2 01/02/2023 00:05:14 69.96, 175.15 92.86 01/02/2023 00:04:49 69.93, 175.11 92.84 2.97 25
3 01/02/2023 00:55:40 -69.03, -16.20 88.10 01/02/2023 00:54:33 -69.05, -18.44 88.02 89.16 67
4 01/04/2023 14:41:01 71.03, -45.43 93.74 01/04/2023 14:42:07 70.93, -42.82 93.56 95.23 66
5 01/04/2023 15:31:26 -70.06, 123.46 87.29 01/04/2023 15:31:51 -70.06, 123.52 87.29 2.48 25
6 01/04/2023 16:22:10 69.93, -69.04 92.58 01/04/2023 16:21:18 69.95, -68.99 92.60 3.12 52
7 01/07/2023 06:57:39 70.12, 71.81 92.48 01/07/2023 06:58:50 70.11, 71.83 92.46 1.39 71
8 01/07/2023 07:48:20 -69.98,-120.66 87.67 01/07/2023 07:48:20 -70.00,-120.68 87.65 2.38 0
9 01/07/2023 08:39:02 69.75, 46.99 92.09 01/07/2023 08:37:49 69.78, 46.65 92.14 13.44 73
10 01/09/2023 23:14:34 70.05,-172.31 92.06 01/09/2023 23:15:19 70.08,-172.32 92.08 3.26 45
11 01/10/2023 00:05:16 -69.97, -4.87 88.04 01/10/2023 00:04:49 -69.98, -4.83 88.03 1.92 27
12 01/12/2023 14:41:01 -70.95, 134.71 87.41 01/12/2023 14:42:08 -70.86, 137.06 87.58 86.20 67
13 01/12/2023 15:31:30 70.04, -56.53 91.64 01/12/2023 15:31:48 70.03, -56.51 91.62 1.67 18
14 01/12/2023 16:22:11 -69.90, 111.00 88.51 01/12/2023 16:21:18 -69.93, 110.98 88.48 3.18 53

Figure of NOAA-20 and LANDSAT-9 satellite orbits during SNOs since TLE Epoch: 1/1/2023
SNOs_Map_NOAA-20_LANDSAT-9_20230101.jpg

Download SNOs between NOAA-20 and LANDSAT-9 since TLE EPOCH: 01/01/2023 in txt file.

Historial Predications of SNOs between NOAA-20 and LANDSAT-9